Interview Questions and Answers

A compressor is a mechanical device that increases the pressure of a gas by reducing its volume.

• Compressors are commonly used in various industries to increase the pressure of gases for storage or transportation.

• The process of a compressor involves drawing in a gas, reducing its volume, and then discharging it at a higher pressure.

• Examples of compressors include air compressors used in pneumatic tools and refrigeration compressors used in air conditioning systems.

A rotary filter is a type of filter used for separating solid particles from a liquid or gas by rotating a drum or disc.

• Rotary filters are commonly used in industries such as mining, food and beverage, and pharmaceuticals.

• They work by passing the liquid or gas through a rotating drum or disc with a filter medium, which traps the solid particles.

• The filtered liquid or gas then passes through the filter medium and is collected for further processing.

• Examples of rotary filters i...read more

A bellpress machine is a type of machine used for pressing or shaping materials by using a bell-shaped tool.

• Bellpress machines are commonly used in industries such as metalworking, woodworking, and plastic molding.

• They can be manual, hydraulic, or pneumatic depending on the application.

• Examples include hydraulic press machines used for metal forming and shaping processes.

A hygrometer is a device used to measure the amount of humidity in the air.

• Measures humidity levels in the air

• Can be used in various industries such as agriculture, HVAC, and manufacturing

• Helps in monitoring and controlling humidity levels for optimal conditions

• Types include psychrometers, capacitive hygrometers, and dew point hygrometers

WCS stands for Waste Control System, a system used in industrial plants to manage and dispose of waste materials.

• WCS is used in industrial plants to handle waste materials efficiently.

• It includes processes such as sorting, recycling, and disposal of waste.

• Examples of waste materials managed by WCS include chemicals, by-products, and hazardous materials.